Q: Is 3,879,540 a Composite Number?

Why is 3,879,540 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 3,879,540 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1,260 3,079 6,158 9,237 12,316 15,395 18,474 21,553 27,711 30,790 36,948 43,106 46,185 55,422 61,580 64,659 86,212 92,370 107,765 110,844 129,318 138,555 184,740 193,977 215,530 258,636 277,110 323,295 387,954 431,060 554,220 646,590 775,908 969,885 1,293,180 1,939,770 and 3,879,540, with no remainder.

Since 3,879,540 cannot be divided by just 1 and 3,879,540, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).